Ottawa Central: Hourly AQI for April 20, 2014

 
17
 
O3
13
 
PM2.5
14
 
PM2.5
16
 
PM2.5
15
 
PM2.5
N/A
18
 
PM2.5
16
 
PM2.5
18
 
O3
22
 
O3
24
 
O3
25
 
O3

Air Quality Index (AQI) Categories

AQI Colour
0-15 Very Good Very Good
16-31 Good Good
32-49 Moderate Moderate
50-99 Poor Poor
100+ Very Poor Very Poor

AQI readings on this web page are based on automatically polled data and have not undergone final verification.